274 NORTH AMERICAN FLORA 
Urediniospore-wall 1.5—2 » thick. 
5 Urediniospore-wall 2-2.5 u thick. 
Urediniospores with 4 pores (in occasional spores 3, or 
rarely 5). 
Urediniospore-wall moderately thin (1.5 » or less). 
Uredinia tardily naked. 
Urediniospore-wall pale-yellow. 
Teliospore-wall cinnamon-brown, much 
thickened above (3-6 4). 
Teliospore-wall pale-yellow, somewhat thick- 
ened above (2—4 4). 
Urediniospore-wall cinnamon-brown. 
Uredinia early naked. 
_ Urediniospore-wall moderately thick (2-2.5 y). 
Urediniospore-pores in an extra-equatorial zone. 
Urediniospores with 2 pores above the equator. 
Urediniospore-pores slightly above the equator. 
Uredinia tardily naked. 
Uredinia early naked. 
Urediniospores small (12-18 X 16-21 wy). 
Urediniospores medium-sized (15-20 X 20-26 yu). 
Urediniospore-pores considerably above the equator. 
Urediniospore-wall thick (3-4 yu). 
Urediniospore-wall moderately thin (2 yu or less). 
Uredinia tardily naked. 
Urediniospores globoid, obovoid, or ellipsoid. 
Telia surrounded by stroma. 
Telia not surrounded by stroma. 
Urediniospores medium-sized (19-26 
X 23-29 p). 
(12-19 x 16 
Urediniospores small 
23 p). 
Urediniospores flattened laterally. 
Uredinia early naked. 
Urediniospores small (12~19 X 16-23 y). 
Teliospores small (29-35 yu long). 
Teliospores medium-sized (30-50 or 
more long). 
Urediniospores medium-sized (15-20 X 19 
B). 
Telia roundish or oval, comparatively 
broad ; teliospores usually 14-18 « broad. 
Telia oblong or linear, comparatively nar- 
row; teliospores usually 16-21 uw broad. 
ba as moderately large (16-23 X 23— 
BK). 
Urediniospores ellipsoid or obovoid. 
Urediniospores chiefly lenticular. 
Urediniospores with 1 or 2 pores, below the equator. 
Pores 2, slightly below the equator (subequatorial). 
Pores 1, near the hilum. . 
Urediniospore-pores scattered. 
Host belonging to family Bromeliaceae. 
Host belonging to family Commelinaceae. 
Host belonging to family Juncaceae. 
Host belonging to family Melanthaceae. 
Urediniospores with 1 pore; teliospores verrucose. 
Urediniospores with 2 or more pores; teliospores smooth. 
Urediniospores with 2 pores. 
Urediniospores with 5-10 pores. 
Host belonging to family Alliaceae. 
Urediniospores with 4-8 pores. 
Urediniospores with 8-15 pores. 
Urediniospores 20-26 X 23-32 pu. 
Urediniospore-pores indistinct, even in lactic acid. 
Urediniospores usually distinct. 
Urediniospores 23~32 X 28-39 w, the pores distinct. 
Teliospores smooth. 
Teliospores tuberculate. 
Host belonging to family Convallariaceae. 
Host belonging to family Smilacaceae. 
Host belonging to family Amaryllidaceae. 
Urediniospore-pores 2, superequatorial. 
Urediniospore-pores inconspicuous; telia pulverulent. 
Urediniospore-pores obscure. 
Telia brown, compact, long covered. 
Telia white, somewhat pulverulent, early naked. 
Host belonging to family Iridaceae. 
Urediniospores with 3 or 4 pores. 
Urediniospores with 8 or 9 pores. 
[VoLUME 7 
129. D. Urticae. 
130. D. spatiosum. 
113, D. scleriicola. 
131. D. microsorum. 
107. D. Eleocharidis. 
121. D. Caricis-polystachyae. 
114, D. Cladii. 
100. D. angustatum. 
132. D. minutissimum. 
133. D. Dracunculi. 
116. D. superius. 
115. D, Fimbristylidis. 
101. D. Eriophori. 
135. D. Asterum. 
118. D. Rosenii. 
134. D. Phrymae. 
135. D, Asterum,. 
136. D. Peckit. 
137. D. hieraciatum. 
119. D. angustatoides. 
138. D. Sambuci. 
139, D. Caricis-strictae. 
128. D. Grossulariae. 
140. D. Trientalis. 
141. D. Pitcairniae. 
142. D. Commelinae. 
143. D. obscurum, 
144, D. Veratri. 
145. D. atropunctum. 
146. D. grumosum, 
147, D. mutabile. 
148. D. Alliz. 
149. D. Porri. 
150. D. granulisporum. 
151. D. nodosum. 
152. D. Asparagi. 
153. D. Smilacis. 
154, D, Aletridis. 
155. D. Cooperiae. 
156. D. Bomareae. 
157. D. Pallor. 
158. D. Iridis. 
159. D. angulatum. 
